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CZ Series Centrifugal
Fire Pumps
Illustrations
Figures:
1. CZ Series Fire Pump
2. CZU Series Fire Pump
3. Zinc Intake Screens ...................................................8
4. Bolt−on Anodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5. Threaded Anodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6. CZ Pump ....................................................................9
7. CZ and CZU Pump ................................................. 10
Waterous Company 125 Hardman Avenue South, South St. Paul, Minnesota 55075 USA (651) 450−5000
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Instructions subject to change without notice.
Operation and Maintenance
Form No.
Section
F−1031
2111
Table of Contents
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . 1, 2
General Description ................................................ 3
Components .............................................................. 3
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Operating Instructions............................................ 4
Pumping from Water Tank................................................ 4
Pumping from Hydrant or in Relay ............................ 5
Pumping from Draft ................................................... 6
Fire Hose Testing ...................................................... 7
Maintenance ............................................................ 8
Corrosion Protection .................................................. 8
Optional Intake Screens ...................................... 8
Optional Anodes . . . . . . . . . . . . . . . . . . . . . 8
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Mechanical Seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Overheat Protection Manager (OPM) . . . . . . . . . . . 9
Read through the safety information and
operating instructions carefully before
using your Waterous Fire Pump.
Visit us at www.waterousco.com
Issue Date
Rev. Date
04/90
6/4/20
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Summary of Contents for Waterous CZ Series
- Page 1 7. CZ and CZU Pump ..........10 Read through the safety information and operating instructions carefully before using your Waterous Fire Pump. Visit us at www.waterousco.com Waterous Company 125 Hardman Avenue South, South St. Paul, Minnesota 55075 USA (651) 450−5000 Instructions subject to change without notice.
- Page 2 Safety Information Read through the safety information and operating instructions carefully before using your Waterous Fire Pump. WARNING WARNING Death or serious personal injury might occur if proper Scalding Water Hazard. May result in serious burns. operating procedures are not followed. The pump op-...
- Page 3 Safety Information Read through the safety information and operating instructions carefully before using your Waterous Fire Pump. WARNING Hose Testing Hazard. May result in serious personal injury. Due to a potential for catastrophic hose failure during service testing of fire hose, it is vital that safety precautions be taken to prevent exposure of anyone to this danger.
- Page 4 The CZ Series centrifugal fire pumps are direct−drive, single stage, vertically−split and designed to operate from a water tank, hydrant or from draft. CZ Series pumps are equipped with a 5” intake and are capable of pumping 950 gpm at 260 psi (3600 l/m @ 18 bar).
- Page 5 Operating Instructions Pumping from Water Tank After Pumping WARNING Pressure Hazard. May result in personal injury or WARNING death. Pressure Hazard. May result in personal injury or Prior to connection of hoses, caps or other closures death. with pump intake or pump discharge connections, relieve pressure by opening drains.
- Page 6 Pumping from Hydrant or in Relay CAUTION NOTICE WARNING Do not attempt to pump more water than is Pressure Hazard. May result in personal injury or available from hydrant or relaying pumper. Al- death. ways make sure compound gage reading stays Prior to connection of hoses, caps or other closures above zero.
- Page 7 Pumping from Draft After Pumping WARNING WARNING Pressure Hazard. May result in personal injury or death. Pressure Hazard. May result in personal injury or Prior to connection of hoses, caps or other closures death. with pump intake or pump discharge connections, Prior to removal of hoses, caps or other closures with relieve pressure by opening drains.
- Page 8 Fire Hose Testing WARNING Hose Testing Hazard. May result in serious personal injury. Due to a potential for catastrophic hose failure during service testing of fire hose, it is vital that safety precautions be taken to prevent exposure of anyone to this danger. Fire pumps on fire department apparatus are not designed for and should not be used for service testing of fire hoses.
- Page 9 Maintenance Corrosion Protection Optional Intake Screens Figure 4. Bolt−on Anodes Once per month check to make sure the intake screens are not clogged or damaged. Also check for corrosion, and replace screens if damage is severe. For the screen to adequately control corrosion, there must be a strong electrical contact between the screen and the fitting.
- Page 10 Lubrication A fluid splash system, within the bearing housing, lubri- Drain bearing housing by removing magnetic drain plug cates the bearings. Check fluid level monthly by remov- from bottom and refill with new lubricant after each accu- ing the square head pipe plug on side of bearing housing mulated 100 hours of pump operation, or at least every marked OIL LEVEL.
- Page 11 Figure 7. Cross-Sectional View, CZ and CZU Page 10 of 10 F-1031, Section 2111...
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